Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610015 | Electrode assembly for arc furnaces | Derek Hill, Inge Lauterbach-Dammler, Dieter Zollner | 1986-09-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610015 | Electrode assembly for arc furnaces | Derek Hill, Inge Lauterbach-Dammler, Dieter Zollner | 1986-09-02 |